package net.minecraft.tileentity;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.util.ITickable;

public class TileEntityEnderChest extends TileEntity implements ITickable {
	public float lidAngle;

	/** The angle of the ender chest lid last tick */
	public float prevLidAngle;
	public int numPlayersUsing;
	private int ticksSinceSync;

	/**
	 * Like the old updateEntity(), except more generic.
	 */
	public void update() {
		if (++this.ticksSinceSync % 20 * 4 == 0) {
			this.worldObj.addBlockEvent(this.pos, Blocks.ender_chest, 1, this.numPlayersUsing);
		}

		this.prevLidAngle = this.lidAngle;
		int i = this.pos.getX();
		int j = this.pos.getY();
		int k = this.pos.getZ();
		float f = 0.1F;

		if (this.numPlayersUsing > 0 && this.lidAngle == 0.0F) {
			double d0 = (double) i + 0.5D;
			double d1 = (double) k + 0.5D;
			this.worldObj.playSoundEffect(d0, (double) j + 0.5D, d1, "random.chestopen", 0.5F,
					this.worldObj.rand.nextFloat() * 0.1F + 0.9F);
		}

		if (this.numPlayersUsing == 0 && this.lidAngle > 0.0F || this.numPlayersUsing > 0 && this.lidAngle < 1.0F) {
			float f2 = this.lidAngle;

			if (this.numPlayersUsing > 0) {
				this.lidAngle += f;
			} else {
				this.lidAngle -= f;
			}

			if (this.lidAngle > 1.0F) {
				this.lidAngle = 1.0F;
			}

			float f1 = 0.5F;

			if (this.lidAngle < f1 && f2 >= f1) {
				double d3 = (double) i + 0.5D;
				double d2 = (double) k + 0.5D;
				this.worldObj.playSoundEffect(d3, (double) j + 0.5D, d2, "random.chestclosed", 0.5F,
						this.worldObj.rand.nextFloat() * 0.1F + 0.9F);
			}

			if (this.lidAngle < 0.0F) {
				this.lidAngle = 0.0F;
			}
		}
	}

	public boolean receiveClientEvent(int id, int type) {
		if (id == 1) {
			this.numPlayersUsing = type;
			return true;
		} else {
			return super.receiveClientEvent(id, type);
		}
	}

	/**
	 * invalidates a tile entity
	 */
	public void invalidate() {
		this.updateContainingBlockInfo();
		super.invalidate();
	}

	public void openChest() {
		++this.numPlayersUsing;
		this.worldObj.addBlockEvent(this.pos, Blocks.ender_chest, 1, this.numPlayersUsing);
	}

	public void closeChest() {
		--this.numPlayersUsing;
		this.worldObj.addBlockEvent(this.pos, Blocks.ender_chest, 1, this.numPlayersUsing);
	}

	public boolean canBeUsed(EntityPlayer p_145971_1_) {
		return this.worldObj.getTileEntity(this.pos) != this ? false
				: p_145971_1_.getDistanceSq((double) this.pos.getX() + 0.5D, (double) this.pos.getY() + 0.5D,
						(double) this.pos.getZ() + 0.5D) <= 64.0D;
	}
}
